Home / 141,941.84-195,879.92-77,411.21

Finding the Fourth Proportional to 141,941.84, 195,879.92 and 77,411.21

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Solution

The fourth proportional to 141,941.84, 195,879.92 and 77,411.21 is: 106,827.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,941.84 : 195,879.92 = 77,411.21 : x
  2. Step 2: Convert to fraction form
    141,941.84/195,879.92 = 77,411.21/x
  3. Step 3: Cross multiply
    141,941.84x = 195,879.92 × 77,411.21
  4. Step 4: Simplify right side
    141,941.84x = 15,163,300,255.45
  5. Step 5: Solve for x
    x = 15,163,300,255.45/141,941.84
  6. Step 6: Final answer
    x = 106,827.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.